2nd version
in CONFIG
[outputFormats.SITEMAP]
MediaType = "application/xml"
BaseName = "sitemap"
IsHTML = false
IsPlainText = true
noUgly = true
Rel = "sitemap"
and
[outputs]
home = [ "HTML", "ATOM", "JSON", "FEED", "MANIFEST", "SITEMAP"]
section = [ "HTML", "SITEMAP" ]
generating in the header
{{ range .AlternativeOutputFormats }}
<link rel={{ .Rel }} type="{{ safeHTML .MediaType.Type }}" href={{ .RelPermalink }}>
{{ end }}
if you miss something, look in my public sample